HRV

Haute Résolution dans le Visible

Satellites

SPOT-1, SPOT-2, SPOT-3

Status

Operational (on SPOT-2) – Utilised in the period: 1986 to ~ 2008

Mission

Land and vegetation observation. Digital Elevation Model (DEM)

Instrument type

Two parallel radiometers, 4 VIS/NIR channels, three multi-spectral (MS), one panchromatic (PAN)

Scanning technique

Bushbroom, 3000 pixel/line (MS), 6000 pixel/line (PAN), swath 60 km ssp (117 km with two instruments), cross-track pointing capability within a range of ± 450 km. Stereoscopic capability between successive orbits

Coverage/cycle

Global coverage in 26 days, in daylight. With strategic pointing, one place can be observed every 3 days.

Resolution (s.s.p.)

20 m (MS), 10 (PAN)

Resources

Mass: … kg - Power: … W - Data rate: … Mbps

Central wavelength

Spectral interval

Radiometric accuracy (SNR)

0.545 µm

0.50 – 0.59 µm

…... @ ….. % albedo

0.645 µm

0.61 – 0.68 µm

…... @ ….. % albedo

0.84 µm

0.79 – 0.89 µm

…... @ ….. % albedo

0.62 µm (PAN)

0.51 – 0.73 µm

…... @ ….. % albedo